Combined quartz mill and crusher



A. MOLE COMBINED QUARTZ MILL AND CRUSHER April 9, 1935.

Filed l001. 22, 1951 4 sheets-sheet' 1 April 9, 1935. A. Mo| E- 1,997,531-

COMBINED QUARTZ MILL AND CRUSHER Filed Oct. 22, 1951 4 Sheets-Sheet 2 /b M# f3 4 4 5 m #Fa l? tvtm "65 TM 5.57

April 9, 1935. A. MoLE 1,997,531

COMBINED QUARTZ MILL AND CRUSHER Filed oct. l2,2, 1931 4 sheets-sheet 3 i f gf 5- x Z4 fg 4 29 r 52 y Z9 g ff I #5@ 15b f5 49 /50' i5 j. Zd if ,7J- 77 )MJA I Z April 9, 1935.

A. MOLE COMBINED QUARTZ MILL AND cRUsHER Filed Oct. 22, 1931 4 sheets-sheeru 4 Patented Apr. 9, 1935 ooMBINEDQAR'rz MILL AND cRUsnEn Artist Mole, Fresno, Calif., assigner to Mole t Quartz Miu Mig! poration Portland, Oreg., a cor- AppliauamA Geister `L22, ieslserial No; `570,481 (ollas-13) A l VThis invention relates to a combined quartz mill and Crusher and aims to generally provide a cone struction which may operate at high speed and which will l treat ore faster, and which will ef- 5 fect a'greater percentageof savingingoldvalues with theuse of less water, power, laborandere` pense generally. l

It is further' aimed to provide alconstructin` of mill which may be made in any desired'size and usually in several sizes to care for varying conditions, one which is designed for operation by one man, onewhich willeliminate heavy expense of freighting "tons of steel to -maintain tops and 'requiring weeks andmonths to` install, and onel which may be readily assembled and disassembled, easily cleaned, and capable of use on level l `may be driven from ground or on hillsides and the top or bottom. f p v Y i Various additional objects and advantages will become apparent from a consideration of vthe de- 4scription following taken in connection withac-` companying drawings illustrating an operative embodiment.` f l `lnsaid`drawings:-` i l Figure l is a View in front elevation of the irn- 'proved apparatus, i

`Figure 2 is a central vertical `taken on the line 2'-2`of Figure 1,-`

'1 Figure'B is a central vertical sectional "View through the device of Figure l taken ata` right` angle to FigureZ, l l y l v l Figure l is a sectionalview takenon` the line 4--4 of Figure 3, l H l `Figure 5 is a sectional View taken `on the line 5'-5ofFigure4,1 i' l l Figure 6 is a plan view ofthe grinder head,

1 `-F'igure 7 is-an enlargeddetail sectionalview taken on they une f p for vinstance formedin the shape of a ring and l having a radial breakornpassage ll through the wallthereof., Disposed on the foundation I is a reservoiror casing' generally designated `I2 which is surmounted by an upper` section I3.

i Bolts i4 are anchored in the foundation l0 "and pass through flanges l and a disk lfof the `secltion I3 receiving a nut l'l above `the latter,` and thus removably securing the casing l2 and section i3 together. l V l l'which constitutes alreceiving hopper" for the `ore or quartz. l The innersurface of the hopper `l 8 is roughened or burred as at l5', andv the rough# ened portions or'burrs progressively increase in size in an upward direction. Such burrs I9 coact sectional view l through'the upper paper bearing forI the shaft,`

*the space ll previously referred to. A

26 alsoincreasing in sizeprogressively in an up- Ward direction, Elementi inview of Vtheprojections lilconstitute the burrs and it twill be` noted that it isarrangecl ona different conefrom that at 2l, so `tliat'lthe :receivingspace ;for the bore or port decreases progressively ina-downwarddirection.

inthejbearing, againstthe shaftf24`and which f wlcsmtsi fil n withburrsor pro-jectionsfll `on a cone 2 i `waste isa-dapted lto be saturatedwithlubricant and toformadustproof joint withl-the'shaftl' 1 f Above the be`aring22, shaftifl removablywcare" n ries the burr M ,the' `latte`r"lceing fastened' to the .shaft` as by means of ia'hkey 2l disposed-inaY longitudinal groove 23 in the shaft. i

Fastened tothe top ofthe hopper i8 by screws .'29 is a spider 3Q forming jacentral bearing` 3 Ifor the saids'hafti-` Above the spider, a plurality-50i nuts32, one ofrwhich serves as a lock nut, are screw threaded to the/sloaftZl as shown,` serving to' secure theshait and cone 2 l thereon securely in diflerentl adjusted positions `and to take up wear."" f 1 The p'owerfor` operation maybe acquired` from any' desired source; and may be applied-forWinstanceto a pulley 33 keyed atV 34 rern'ovablylin` the 'groove 28 tothe shaft 24.*Said` shaftl 24l passesf'also throughjthe bottom wall 35 'ofthe p reservoir l 2, such wall being relatively thick and having its upper surface incliriing from the cenL ter downwardly and outwardly.` At the wall shaft 2'4 is journaled ina taper bearing'constructhe wall 35. Shaft 24 extends below the nuts 3l and` has a groove 33 therein; sof that if desired,

`the key 34 maybeapplied 'thereto and secure the `pulley `32 to the `lower endroffthe shaft, the rbelt driving' element in such event 'entering through groove 39` is provided longitudinally ofthe shaft and thence Athrough the ports 4U and? 4 I 'to th? l t l l l bearingsfp'roper." l Integral with the section I3 Vis affl'ared portion Slightly `spaced from and'coacting with' the under surface of the disk"l3 a 'grinding plate `,or member 42 whichisrke'yed as at 43, detachably` to theshaft 24. Such plate or grinding element the other, and both of which are threaded on the shaft 24 as shown.

' The upper surface of the grinding plate 42 hasl an auxiliary plate 42EL while the grinding plate or member I3 has an auxiliary plate I3a on its lower surface. Plates I2a and I3a are preferably of vhardened metal and made in four or any desired number of separate and removable sections as suggested in Figure 6, the sections being secured in place to the respective grinding members as by means of boltsA 421' and 13b, respectively. Such plates or sections I 3EL and 42a preferably have integral ribs 42c and I3c thereon intertted in grooves in the respective grinding plates.

The outer portions of the plates I3a and 42a, are

vrelatively `close together but do not touch, being parallel and the space between such plates gradually increasesrinwardly toward the center, being about' one-half an inch apart for example at the center and tapering gradually to fa distance of substantially one-eighthof an inch substantially one-half way between the periphery and center, all abrupt shoulders being avoided. The central portions of each of the said plates 42a and I 3a are dished to provide the necessary space but the plate 42a is dished more thanthe other plate as is apparent in Figures 2 and 3. 'Ihe surfaces of the rplates I 32L and 42au which facev each other and which lare adjacent the center, have jgrinding elements or teeth providing tangential grooves 43e- Suchjgrooves 43a discharge into the unrestrictecl space between the parallel portions of the plates 42e and I 3a. Marginally around the plate 42,/'a band 48 is fastened which extends into an annular undercut groove 41 in the under surface of the disk I3 outwardlyof the plate vI3e.

y The ore ground by land passing the burrs 2i l andr I8 enters the bore 49 of member I3 and from the latter passes through passages 53 in such member I`3 which discharge into the grooves 43a,

the same being ground by the plate 42 and passing up over the flange 41 and thence downwardly into a space 52 provided between the side walls of the reservoir'IZ and in a drum 53 within such reservoir, the wall of the drum inclining downwardly and outwardly so that the space 52 is wider at the bottom Vthan at the top. The drum 53` may be secured Ain place by bolts 54 and interposed spacing sleeves 55 surround it. The

pulp from the space 52 passes into a body of quicksilver'56` maintained in the lower portionl of the reservoir. The gold extracted by the quicksilver must pass the drum 53 and thence upwardly above the chutes andfastened to the drum k53` and reservoir I2. l

Agitators Sli-are adapted to travel the, grinder 42, and may be carried by standards or vfittings 6I removably fastened to the grinder. agitators 60 are `generally of plow shape and it will be noted froml Figure 4 that they arenarranged 'at different distances from the center of the shaft so that each willvtravel in a different path about the same. Y

Such

to the grinder member.

To facilitate'entrance of an operator into the device for purposes of inspection and repair, a doorway may be provided through the yvertical wall of the reservoir I2 as at 62 which `is normally closed by-a suitably hinged and locked door 63, the latter preferably carrying a sealing gasket 64 of rubber or the like to engage the wall 62 and form a water-tight joint.

In order to clean out the interior of the reservoir, a drain opening 65 is provided through the wall 35 which is normally closed by a plate B6 bolted in place at B'I and having a gasket 68 interposed between the plate 66 and wall 35 to form a leak proof joint, such plate 66 being accessible through the plate II.

According tothe present invention, the burr 2I and grinder 42 are simultaneously operated at great speed upon the driving of pulley 33,\which pulley` may be rotated as shown in Figure 2 lor arranged, at the bottom of shaft or as preferred or conditions warrant.` Either the dry or wet method of treating the quartz may be followed. The quartz or ore is ground by the teeth 20 and I9, then passed` into the bore 49 and from the v ing burrs to receive ore therebetween, a vertical' Y shaft to rotate one of the burrs, a grinder to receive material passing the burrs, a disk relatively close to the grinder and coacting therewith, one of said burrs being in the form ofl a hopper and integral with said disk, said disk having an `annular undercut groove, said grinder having an upstanding flange disposed in the groove, and

over which the ground materialis discharged, a"

dust and water-proof bearing in said disk for the shaft, said disk having passagewaystherethrough outwardly of said bearing to conduct the ground material from the burrs to said grinder member, a reservoir into which said ground material discharges, the bottom wall of the reservoir on its inner surface inclining downwardly and outwardly, said shaft passing through said wall, and bearing means in `said wall for said shaft, Vand vagitators depending vfrom the grinder member into the reservoir.`

.2. An apparatus -of the class described comprising a foundation, bolts rising therefrom, a casing disposed on said foundation, an upper section disposed'on said casing, said bolts passing through said casing and section, an upright shaft jo-urnaled in said casing and section, a Y

' bearing on the shaft adjustably disposed in the bottoml wall of the casing, a grinder `member within the casing carried by the shaft, means on theshaft to support and 4adjustably position the grinder member, a bearingfor the shaft in said section, a hopper integral with said-section having an inner burr surface, a burr coacting with the burr surfaceY carried by said shaft, `said section having an enlarged bore andpas'- sages leading therefrom tol convey ground quartz ARTIST MOLE.V 

